add base.v
This commit is contained in:
parent
89938a2ff6
commit
295eb8fad8
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@ -3,20 +3,20 @@
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*
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*
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* This crossbar is entirely controlled by the kernel.
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* This crossbar is entirely controlled by the kernel.
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*/
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*/
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module spi_crossbar #(
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module spi_switch #(
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parameter PORTS = 8,
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parameter PORTS = 3,
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(
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(
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input select[PORTS-1:0],
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input select[PORTS-1:0],
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output mosi,
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output mosi,
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input miso,
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input miso,
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output sck,
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output sck,
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output ss,
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output ss_L,
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input mosi_ports[PORTS-1:0],
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input [PORTS-1:0] mosi_ports,
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output miso_ports[PORTS-1:0],
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output [PORTS-1:0] miso_ports,
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input sck_ports[PORTS-1:0],
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input [PORTS-1:0] sck_ports,
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input ss_ports[PORTS-1:0]
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input [PORTS-1:0] ss_L_ports
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);
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);
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/* Avoid using for loops, they might not synthesize correctly.
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/* Avoid using for loops, they might not synthesize correctly.
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@ -27,23 +27,21 @@ module spi_crossbar #(
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mosi = mosi_ports[n]; \
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mosi = mosi_ports[n]; \
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miso = miso_ports[n]; \
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miso = miso_ports[n]; \
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sck = sck_ports[n]; \
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sck = sck_ports[n]; \
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ss = ss_ports[n]
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ss_L = ss_L_ports[n]
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`define check_select(n) \
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`define check_select(n) \
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if (select[n]) begin \
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if (select[n]) begin \
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do_select(n); \
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do_select(n); \
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end
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end
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always @(*) begin
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generate if (PORTS == 2) always @(*) begin
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check_select(7)
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check_select(2)
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else check_select(6)
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else check_select(5)
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else check_select(4)
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else check_select(3)
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else check_select(2)
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else check_select(1)
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else check_select(1)
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else do_select(0)
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else do_select(0)
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end
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end else always @(*) begin
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check_select(1)
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else do_select(0)
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end endgenerate
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endmodule
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endmodule
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`undefineall
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`undefineall
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387
firmware/soc.py
387
firmware/soc.py
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@ -20,155 +20,246 @@ from liteeth.phy.mii import LiteEthPHYMII
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# IO with Subsignals make Record types, which have the name of the
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# IO with Subsignals make Record types, which have the name of the
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# subsignal as an attribute.
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# subsignal as an attribute.
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io = [
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io = [
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("dac", 0,
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("dac_ss", 0, Pins("G13 D13 E15 J17 U12 U14 D4 E2"), IOStandard("LVCMOS33")),
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Subsignal("ss", Pins("G13")),
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("dac_mosi", 0, Pins("B11 B18 E16 J18 V12 V14 D3 D2"), IOStandard("LVCMOS33")),
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Subsignal("mosi", Pins("B11")),
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("dac_miso", 0, Pins("A11 A18 D15 K15 V10 T13 F4 H2"), IOStandard("LVCMOS33")),
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Subsignal("miso", Pins("A11")),
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("dac_sck", 0, Pins("D12 K16 C15 J15 V11 U13 F3 G2"), IOStandard("LVCMOS33")),
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Subsignal("sck", Pins("D12")),
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("adc_conv", 0, Pins("V15 T11 N15 U18 U11 R10 R16 U17"), IOStandard("LVCMOS33")),
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IOStandard("LVCMOS33")),
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("adc_sck", 0, Pins("U16 R12 M16 R17 V16 R11 N16 T18"), IOStandard("LVCMOS33")),
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("dac", 1,
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("adc_sdo", 0, Pins("P14 T14 V17 P17 M13 R13 N14 R18"), IOStandard("LVCMOS33"))
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Subsignal("ss", Pins("D13")),
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Subsignal("mosi", Pins("B18")),
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Subsignal("miso", Pins("A18")),
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Subsignal("sck", Pins("K16")),
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IOStandard("LVCMOS33")),
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("dac", 2,
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Subsignal("ss", Pins("E15")),
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Subsignal("mosi", Pins("E16")),
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Subsignal("miso", Pins("D15")),
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Subsignal("sck", Pins("C15")),
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IOStandard("LVCMOS33")),
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("dac", 3,
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Subsignal("ss", Pins("J17")),
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Subsignal("mosi", Pins("J18")),
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Subsignal("miso", Pins("K15")),
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Subsignal("sck", Pins("J15")),
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IOStandard("LVCMOS33")),
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("dac", 4,
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Subsignal("ss", Pins("U12")),
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Subsignal("mosi", Pins("V12")),
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Subsignal("miso", Pins("V10")),
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Subsignal("sck", Pins("V11")),
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IOStandard("LVCMOS33")),
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("dac", 5,
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Subsignal("ss", Pins("U14")),
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Subsignal("mosi", Pins("V14")),
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Subsignal("miso", Pins("T13")),
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Subsignal("sck", Pins("U13")),
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IOStandard("LVCMOS33")),
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("dac", 6,
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Subsignal("ss", Pins("D4")),
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Subsignal("mosi", Pins("D3")),
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Subsignal("miso", Pins("F4")),
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Subsignal("sck", Pins("F3")),
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IOStandard("LVCMOS33")),
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("dac", 7,
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Subsignal("ss", Pins("E2")),
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Subsignal("mosi", Pins("D2")),
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Subsignal("miso", Pins("H2")),
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Subsignal("sck", Pins("G2")),
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IOStandard("LVCMOS33")),
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("adc", 0,
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Subsignal("conv", Pins("V15")),
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Subsignal("sck", Pins("U16")),
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Subsignal("sdo", Pins("P14")),
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IOStandard("LVCMOS33")),
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("adc", 1,
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Subsignal("conv", Pins("T11")),
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Subsignal("sck", Pins("R12")),
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Subsignal("sdo", Pins("T14")),
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IOStandard("LVCMOS33")),
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("adc", 2,
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Subsignal("conv", Pins("N15")),
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Subsignal("sck", Pins("M16")),
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Subsignal("sdo", Pins("V17")),
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IOStandard("LVCMOS33")),
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("adc", 3,
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Subsignal("conv", Pins("U18")),
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Subsignal("sck", Pins("R17")),
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Subsignal("sdo", Pins("P17")),
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IOStandard("LVCMOS33")),
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("adc", 4,
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Subsignal("conv", Pins("U11")),
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Subsignal("sck", Pins("V16")),
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Subsignal("sdo", Pins("M13")),
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IOStandard("LVCMOS33")),
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("adc", 5,
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Subsignal("conv", Pins("R10")),
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Subsignal("sck", Pins("R11")),
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Subsignal("sdo", Pins("R13")),
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IOStandard("LVCMOS33")),
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("adc", 6,
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Subsignal("conv", Pins("R16")),
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Subsignal("sck", Pins("N16")),
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Subsignal("sdo", Pins("N14")),
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IOStandard("LVCMOS33")),
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("adc", 7,
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Subsignal("conv", Pins("U17")),
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Subsignal("sck", Pins("T18")),
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Subsignal("sdo", Pins("R18")),
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IOStandard("LVCMOS33"))
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]
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]
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class SPIMaster(Module, AutoCSR):
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class Base(Module, AutoCSR):
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def __init__(self, wid, clk, pins):
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def __init__(self, clk, sdram):
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self.pins = pins
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for i in range(0,8):
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setattr(self, f"dac_sel_{i}", CSRStorage(3))
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setattr(self, f"dac_finished_{i}", CSRStatus(1))
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setattr(self, f"dac_arm_{i}", CSRStorage(1))
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setattr(self, f"from_dac_{i}", CSRStatus(24))
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setattr(self, f"to_dac_{i}", CSRStorage(24))
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setattr(self, f"wf_arm_{i}", CSRStorage(1))
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setattr(self, f"wf_time_to_wait_{i}", CSRStorage(16))
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setattr(self, f"wf_refresh_start_{i}", CSRStorage(1))
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setattr(self, f"wf_refresh_finished_{i}", CSRStatus(1))
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setattr(self, f"wf_start_addr_{i}", CSRStorage(32))
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port = sdram.crossbar.get_port()
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setattr(self, f"wf_sdram_{i}", LiteDRAMDMAReader(port))
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self.from_slave = CSRStatus(wid, description="Data from slave (Status)")
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setattr(self, f"adc_finished_{i}", CSRStatus(1))
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self.to_slave = CSRStorage(wid, description="Data to slave (Control)")
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setattr(self, f"adc_arm_{i}", CSRStorage(1))
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self.finished = CSRStatus(1, description="Finished transmission (Status)")
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setattr(self, f"from_adc_{i}", CSRStatus(32))
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self.arm = CSRStorage(1, description="Initiate transmission (Status)")
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self.ss = CSRStorage(1, description="Slave Select (active high)")
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self.comb += self.pins.ss.eq(~self.ss.storage)
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self.adc_sel_0 = CSRStorage(2)
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self.cl_in_loop = CSRStatus(1)
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self.cl_cmd = CSRStorage(64)
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self.cl_word_in = CSRStorage(32)
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self.cl_word_out = CSRStatus(32)
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self.cl_start_cmd = CSRStorage(1)
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self.cl_finish_cmd = CSRStatus(1)
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import math
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self.specials = Instance("base",
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i_clk(clk),
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.i_dac_miso(platform.request("dac_miso")),
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.o_dac_mosi(platform.request("dac_mosi")),
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.o_dac_sck(platform.request("dac_sck")),
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.o_dac_ss_L(platform.request("dac_ss_L")),
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.o_adc_conv(platform.request("adc_conv")),
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.i_adc_sdo(platform.request("adc_sdo")),
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.o_adc_sck(platform.request("adc_sck")),
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self.specials += Instance("spi_master",
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# dac_0
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p_WID=wid,
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.i_dac_sel_0(self.dac_sel_0.storage),
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p_WID_LEN=math.ceil(math.log2(wid)),
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.o_dac_finished_0(self.dac_finished_0.status),
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p_CYCLE_HALF_WAIT = 3, # 3 + 2 = 5, total sck = 10 cycles
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.i_dac_arm_0(self.dac_arm_0.storage),
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p_TIMER_LEN = 3,
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.o_from_dac_0(self.from_dac_0.status),
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p_POLARITY = 0,
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.i_to_dac_0(self.to_dac_0.storage),
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p_PHASE = 1,
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i_clk = clk,
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o_from_slave = self.from_slave.status,
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i_miso = self.pins.miso,
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i_to_slave = self.to_slave.storage,
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o_mosi = self.pins.mosi,
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o_sck_wire = self.pins.sck,
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o_finished = self.finished.status,
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i_arm = self.arm.storage
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)
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class SPIMasterReadOnly(Module, AutoCSR):
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.i_wf_arm_0(self.wf_arm_0.storage),
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def __init__(self, wid, clk, pins):
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.i_wf_time_to_wait_0(self.wf_time_to_wait_0.storage),
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self.pins = pins
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.i_wf_refresh_start_0(self.wf_refresh_start_0.storage),
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.o_wf_refresh_finished_0(self.wf_refresh_finished_0.status),
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.o_wf_start_addr_0(self.wf_start_addr_0.storage),
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self.from_slave = CSRStatus(wid, description="Data from slave (Status)description=")
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.o_wf_ram_dma_addr_0(self.wf_sdram_0.sink.address),
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self.finished = CSRStatus(1, description="Finished transmission (Status)description=")
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.i_wf_ram_word_0(self.wf_sdram_0.source.data),
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self.arm = CSRStorage(1, description="Initiate transmission (Status)description=")
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.o_wf_ram_read_0(self.wf_sdram_0.sink.valid),
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self.conv = CSRStorage(1, description="Conversion (active high)description=")
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.i_wf_ram_valid_0(self.wf_sdram_0.source.valid),
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self.comb += self.pins.conv.eq(self.conv.storage)
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# dac_1
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.i_dac_sel_1(self.dac_sel_1.storage),
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.o_dac_finished_1(self.dac_finished_1.status),
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.i_dac_arm_1(self.dac_arm_1.storage),
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.o_from_dac_1(self.from_dac_1.status),
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.i_to_dac_1(self.to_dac_1.storage),
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import math
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.i_wf_arm_1(self.wf_arm_1.storage),
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.i_wf_time_to_wait_1(self.wf_time_to_wait_1.storage),
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.i_wf_refresh_start_1(self.wf_refresh_start_1.storage),
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.o_wf_refresh_finished_1(self.wf_refresh_finished_1.status),
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.o_wf_start_addr_1(self.wf_start_addr_1.storage),
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self.specials += Instance("spi_master_no_write",
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.o_wf_ram_dma_addr_1(self.wf_sdram_1.sink.address),
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p_WID=wid,
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.i_wf_ram_word_1(self.wf_sdram_1.source.data),
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p_WID_LEN=math.ceil(math.log2(wid)),
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.o_wf_ram_read_1(self.wf_sdram_1.sink.valid),
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p_CYCLE_HALF_WAIT = 1, # 1 + 2 = 3, total sck = 6 cycles
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.i_wf_ram_valid_1(self.wf_sdram_1.source.valid),
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p_TIMER_LEN = 3,
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p_POLARITY = 1,
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# dac_2
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p_PHASE = 0,
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.i_dac_sel_2(self.dac_sel_2.storage),
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i_clk = clk,
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.o_dac_finished_2(self.dac_finished_2.status),
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o_from_slave = self.from_slave.status,
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.i_dac_arm_2(self.dac_arm_2.storage),
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i_miso = self.pins.sdo,
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.o_from_dac_2(self.from_dac_2.status),
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o_sck_wire = self.pins.sck,
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.i_to_dac_2(self.to_dac_2.storage),
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o_finished = self.finished.status,
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i_arm = self.arm.storage
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.i_wf_arm_2(self.wf_arm_2.storage),
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)
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.i_wf_time_to_wait_2(self.wf_time_to_wait_2.storage),
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.i_wf_refresh_start_2(self.wf_refresh_start_2.storage),
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.o_wf_refresh_finished_2(self.wf_refresh_finished_2.status),
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.o_wf_start_addr_2(self.wf_start_addr_2.storage),
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.o_wf_ram_dma_addr_2(self.wf_sdram_2.sink.address),
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.i_wf_ram_word_2(self.wf_sdram_2.source.data),
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.o_wf_ram_read_2(self.wf_sdram_2.sink.valid),
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.i_wf_ram_valid_2(self.wf_sdram_2.source.valid),
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# dac_3
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.i_dac_sel_3(self.dac_sel_3.storage),
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.o_dac_finished_3(self.dac_finished_3.status),
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.i_dac_arm_3(self.dac_arm_3.storage),
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.o_from_dac_3(self.from_dac_3.status),
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.i_to_dac_3(self.to_dac_3.storage),
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.i_wf_arm_3(self.wf_arm_3.storage),
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.i_wf_time_to_wait_3(self.wf_time_to_wait_3.storage),
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.i_wf_refresh_start_3(self.wf_refresh_start_3.storage),
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.o_wf_refresh_finished_3(self.wf_refresh_finished_3.status),
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.o_wf_start_addr_3(self.wf_start_addr_3.storage),
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.o_wf_ram_dma_addr_3(self.wf_sdram_3.sink.address),
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.i_wf_ram_word_3(self.wf_sdram_3.source.data),
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.o_wf_ram_read_3(self.wf_sdram_3.sink.valid),
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.i_wf_ram_valid_3(self.wf_sdram_3.source.valid),
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# dac_4
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.i_dac_sel_4(self.dac_sel_4.storage),
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.o_dac_finished_4(self.dac_finished_4.status),
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.i_dac_arm_4(self.dac_arm_4.storage),
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.o_from_dac_4(self.from_dac_4.status),
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.i_to_dac_4(self.to_dac_4.storage),
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||||||
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.i_wf_arm_4(self.wf_arm_4.storage),
|
||||||
|
.i_wf_time_to_wait_4(self.wf_time_to_wait_4.storage),
|
||||||
|
.i_wf_refresh_start_4(self.wf_refresh_start_4.storage),
|
||||||
|
.o_wf_refresh_finished_4(self.wf_refresh_finished_4.status),
|
||||||
|
.o_wf_start_addr_4(self.wf_start_addr_4.storage),
|
||||||
|
|
||||||
|
.o_wf_ram_dma_addr_4(self.wf_sdram_4.sink.address),
|
||||||
|
.i_wf_ram_word_4(self.wf_sdram_4.source.data),
|
||||||
|
.o_wf_ram_read_4(self.wf_sdram_4.sink.valid),
|
||||||
|
.i_wf_ram_valid_4(self.wf_sdram_4.source.valid),
|
||||||
|
|
||||||
|
# dac_5
|
||||||
|
.i_dac_sel_5(self.dac_sel_5.storage),
|
||||||
|
.o_dac_finished_5(self.dac_finished_5.status),
|
||||||
|
.i_dac_arm_5(self.dac_arm_5.storage),
|
||||||
|
.o_from_dac_5(self.from_dac_5.status),
|
||||||
|
.i_to_dac_5(self.to_dac_5.storage),
|
||||||
|
|
||||||
|
.i_wf_arm_5(self.wf_arm_5.storage),
|
||||||
|
.i_wf_time_to_wait_5(self.wf_time_to_wait_5.storage),
|
||||||
|
.i_wf_refresh_start_5(self.wf_refresh_start_5.storage),
|
||||||
|
.o_wf_refresh_finished_5(self.wf_refresh_finished_5.status),
|
||||||
|
.o_wf_start_addr_5(self.wf_start_addr_5.storage),
|
||||||
|
|
||||||
|
.o_wf_ram_dma_addr_5(self.wf_sdram_5.sink.address),
|
||||||
|
.i_wf_ram_word_5(self.wf_sdram_5.source.data),
|
||||||
|
.o_wf_ram_read_5(self.wf_sdram_5.sink.valid),
|
||||||
|
.i_wf_ram_valid_5(self.wf_sdram_5.source.valid),
|
||||||
|
|
||||||
|
# dac_6
|
||||||
|
.i_dac_sel_6(self.dac_sel_6.storage),
|
||||||
|
.o_dac_finished_6(self.dac_finished_6.status),
|
||||||
|
.i_dac_arm_6(self.dac_arm_6.storage),
|
||||||
|
.o_from_dac_6(self.from_dac_6.status),
|
||||||
|
.i_to_dac_6(self.to_dac_6.storage),
|
||||||
|
|
||||||
|
.i_wf_arm_6(self.wf_arm_6.storage),
|
||||||
|
.i_wf_time_to_wait_6(self.wf_time_to_wait_6.storage),
|
||||||
|
.i_wf_refresh_start_6(self.wf_refresh_start_6.storage),
|
||||||
|
.o_wf_refresh_finished_6(self.wf_refresh_finished_6.status),
|
||||||
|
.o_wf_start_addr_6(self.wf_start_addr_6.storage),
|
||||||
|
|
||||||
|
.o_wf_ram_dma_addr_6(self.wf_sdram_6.sink.address),
|
||||||
|
.i_wf_ram_word_6(self.wf_sdram_6.source.data),
|
||||||
|
.o_wf_ram_read_6(self.wf_sdram_6.sink.valid),
|
||||||
|
.i_wf_ram_valid_6(self.wf_sdram_6.source.valid),
|
||||||
|
|
||||||
|
# dac_7
|
||||||
|
.i_dac_sel_7(self.dac_sel_7.storage),
|
||||||
|
.o_dac_finished_7(self.dac_finished_7.status),
|
||||||
|
.i_dac_arm_7(self.dac_arm_7.storage),
|
||||||
|
.o_from_dac_7(self.from_dac_7.status),
|
||||||
|
.i_to_dac_7(self.to_dac_7.storage),
|
||||||
|
|
||||||
|
.i_wf_arm_7(self.wf_arm_7.storage),
|
||||||
|
.i_wf_time_to_wait_7(self.wf_time_to_wait_7.storage),
|
||||||
|
.i_wf_refresh_start_7(self.wf_refresh_start_7.storage),
|
||||||
|
.o_wf_refresh_finished_7(self.wf_refresh_finished_7.status),
|
||||||
|
.o_wf_start_addr_7(self.wf_start_addr_7.storage),
|
||||||
|
|
||||||
|
.o_wf_ram_dma_addr_7(self.wf_sdram_7.sink.address),
|
||||||
|
.i_wf_ram_word_7(self.wf_sdram_7.source.data),
|
||||||
|
.o_wf_ram_read_7(self.wf_sdram_7.sink.valid),
|
||||||
|
.i_wf_ram_valid_7(self.wf_sdram_7.source.valid),
|
||||||
|
|
||||||
|
.i_adc_sel_0(self.adc_sel_0.storage),
|
||||||
|
|
||||||
|
# adc_0
|
||||||
|
.o_adc_finished_0(self.adc_finished_0.status),
|
||||||
|
.i_adc_arm_0(self.adc_arm_0.storage),
|
||||||
|
.o_from_adc_0(self.from_adc_0.status),
|
||||||
|
|
||||||
|
# adc_1
|
||||||
|
.o_adc_finished_1(self.adc_finished_1.status),
|
||||||
|
.i_adc_arm_1(self.adc_arm_1.storage),
|
||||||
|
.o_from_adc_1(self.from_adc_1.status),
|
||||||
|
|
||||||
|
# adc_2
|
||||||
|
.o_adc_finished_2(self.adc_finished_2.status),
|
||||||
|
.i_adc_arm_2(self.adc_arm_2.storage),
|
||||||
|
.o_from_adc_2(self.from_adc_2.status),
|
||||||
|
|
||||||
|
# adc_3
|
||||||
|
.o_adc_finished_3(self.adc_finished_3.status),
|
||||||
|
.i_adc_arm_3(self.adc_arm_3.storage),
|
||||||
|
.o_from_adc_3(self.from_adc_3.status),
|
||||||
|
|
||||||
|
# adc_4
|
||||||
|
.o_adc_finished_4(self.adc_finished_4.status),
|
||||||
|
.i_adc_arm_4(self.adc_arm_4.storage),
|
||||||
|
.o_from_adc_4(self.from_adc_4.status),
|
||||||
|
|
||||||
|
# adc_5
|
||||||
|
.o_adc_finished_5(self.adc_finished_5.status),
|
||||||
|
.i_adc_arm_5(self.adc_arm_5.storage),
|
||||||
|
.o_from_adc_5(self.from_adc_5.status),
|
||||||
|
|
||||||
|
# adc_6
|
||||||
|
.o_adc_finished_6(self.adc_finished_6.status),
|
||||||
|
.i_adc_arm_6(self.adc_arm_6.storage),
|
||||||
|
.o_from_adc_6(self.from_adc_6.status),
|
||||||
|
|
||||||
|
# adc_7
|
||||||
|
.o_adc_finished_7(self.adc_finished_7.status),
|
||||||
|
.i_adc_arm_7(self.adc_arm_7.storage),
|
||||||
|
.o_from_adc_7(self.from_adc_7.status),
|
||||||
|
|
||||||
|
.o_cl_in_loop(self.cl_in_loop.status),
|
||||||
|
.i_cl_cmd(self.cl_cmd.storage),
|
||||||
|
.i_cl_word_in(self.cl_word_in.storage),
|
||||||
|
.o_cl_word_out(self.cl_word_out.status),
|
||||||
|
.i_cl_start_cmd(self.cl_start_cmd.storage),
|
||||||
|
.o_cl_finish_cmd(self.cl_finish_cmd.status)
|
||||||
|
)
|
||||||
|
|
||||||
# Clock and Reset Generator
|
# Clock and Reset Generator
|
||||||
class _CRG(Module):
|
class _CRG(Module):
|
||||||
|
|
@ -207,8 +298,16 @@ class CryoSNOM1SoC(SoCCore):
|
||||||
sys_clk_freq = int(100e6)
|
sys_clk_freq = int(100e6)
|
||||||
platform = board_spec.Platform(variant=variant, toolchain="symbiflow")
|
platform = board_spec.Platform(variant=variant, toolchain="symbiflow")
|
||||||
self.submodules.crg = _CRG(platform, sys_clk_freq, True)
|
self.submodules.crg = _CRG(platform, sys_clk_freq, True)
|
||||||
platform.add_source("rtl/spi/spi_master.v")
|
platform.add_source("rtl/spi/spi_master_ss.v")
|
||||||
platform.add_source("rtl/spi/spi_master_no_write.v")
|
platform.add_source("rtl/spi/spi_master_ss_no_write.v")
|
||||||
|
platform.add_source("rtl/control_loop/sign_extend.v")
|
||||||
|
platform.add_source("rtl/control_loop/intsat.v")
|
||||||
|
platform.add_source("rtl/control_loop/boothmul.v")
|
||||||
|
platform.add_source("rtl/control_loop/control_loop_math.v")
|
||||||
|
platform.add_source("rtl/control_loop/control_loop.v")
|
||||||
|
platform.add_source("rtl/control_loop/spi_switch.v")
|
||||||
|
platform.add_source("rtl/waveform/waveform.v")
|
||||||
|
platform.add_source("rtl/spi/base/base.v")
|
||||||
|
|
||||||
# SoCCore does not have sane defaults (no integrated rom)
|
# SoCCore does not have sane defaults (no integrated rom)
|
||||||
SoCCore.__init__(self,
|
SoCCore.__init__(self,
|
||||||
|
|
@ -229,10 +328,14 @@ class CryoSNOM1SoC(SoCCore):
|
||||||
csr_ordering="big",
|
csr_ordering="big",
|
||||||
timer_uptime = True)
|
timer_uptime = True)
|
||||||
|
|
||||||
|
# This initializes the connection to the physical DRAM interface.
|
||||||
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"),
|
self.submodules.ddrphy = s7ddrphy.A7DDRPHY(platform.request("ddram"),
|
||||||
memtype = "DDR3",
|
memtype = "DDR3",
|
||||||
nphases = 4,
|
nphases = 4,
|
||||||
sys_clk_freq = sys_clk_freq)
|
sys_clk_freq = sys_clk_freq)
|
||||||
|
# Synchronous dynamic ram. This is what controls all access to RAM.
|
||||||
|
# This houses the "crossbar", which negotiates all RAM accesses to different
|
||||||
|
# modules, including the verilog interfaces (waveforms etc.)
|
||||||
self.add_sdram("sdram",
|
self.add_sdram("sdram",
|
||||||
phy = self.ddrphy,
|
phy = self.ddrphy,
|
||||||
module = MT41K128M16(sys_clk_freq, "1:4"),
|
module = MT41K128M16(sys_clk_freq, "1:4"),
|
||||||
|
|
@ -246,9 +349,7 @@ class CryoSNOM1SoC(SoCCore):
|
||||||
# Add the DAC and ADC pins as GPIO. They will be used directly
|
# Add the DAC and ADC pins as GPIO. They will be used directly
|
||||||
# by Zephyr.
|
# by Zephyr.
|
||||||
platform.add_extension(io)
|
platform.add_extension(io)
|
||||||
for i in range(0,8):
|
self.submodules.sdram = Base(ClockSignal(), self.sdram)
|
||||||
setattr(self.submodules, f"dac{i}", SPIMaster(24, ClockSignal(), platform.request("dac", i)))
|
|
||||||
setattr(self.submodules, f"adc{i}", SPIMasterReadOnly(24, ClockSignal(), platform.request("adc", i)))
|
|
||||||
|
|
||||||
def main():
|
def main():
|
||||||
soc = CryoSNOM1SoC("a7-35")
|
soc = CryoSNOM1SoC("a7-35")
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue